供给价格弹性是指市场商品供给量对于价格变动作出反应的敏感程度。通常用供给量变动的幅度对价格变动幅度的比值，即供给价格弹性系数来表示。现实生活中，资金密集、技术密集型行业经营规模改变困难，其产品供给弹性小，劳动密集型行业经营规模改变容易，其产品的供给弹性大；农产品中，木材等生产周期长的供给弹性小；蔬菜等生产周期短的供给弹性大；易腐变质，难于储存，或有储存期限的产品供给弹性小，易于储存的供给弹性大。
在样本区间内，日本的总供给价格弹性不过0.15，表现为极弱状态。
In the sample interval, the price elasticity of aggregate supply in Japan is only 0.15, which is a very weak state.
供给价格弹性随着时间而增加，因为时间越长，发生产量调整的可能性越大。
Price elasticity of supply is a measure of the responsiveness of changes in quantity supplied to changes in price.
多年以前我曾以一种完全价格弹性和固定货币供给的假想世界模型对此做过解释。
Many years ago I tried to explain this by considering a hypothetical world of perfectly flexible prices and a fixed money supply.
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